| Signal | Grok 4.20 | Delta | Qwen3.5 397B A17B |
|---|---|---|---|
Capabilities | 100 | +17 | |
Benchmarks | 86 | +6 | |
Pricing | 98 | 0 | |
Context window size | 90 | +13 | |
Recency | 100 | -- | |
Output Capacity | 20 | -- | |
| Overall Result | 3 wins | of 6 | 1 wins |
Score History
88.3
current score
Grok 4.20
right now
79.1
current score
xAI
Alibaba
Qwen3.5 397B A17B saves you $89.00/month
That's $1068.00/year compared to Grok 4.20 at your current usage level of 100K calls/month.
| Metric | Grok 4.20 | Qwen3.5 397B A17B | Winner |
|---|---|---|---|
| Overall Score | 88 | 79 | Grok 4.20 |
| Rank | #17 | #47 | Grok 4.20 |
| Quality Rank | #17 | #47 | Grok 4.20 |
| Adoption Rank | #17 | #47 | Grok 4.20 |
| Parameters | -- | 397B | -- |
| Context Window | 2000K | 256K | Grok 4.20 |
| Pricing | $1.25/$2.50/M | $0.39/$2.45/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 83 | Grok 4.20 |
| Benchmarks | 86 | 80 | Grok 4.20 |
| Pricing | 98 | 98 | Qwen3.5 397B A17B |
| Context window size | 90 | 77 | Grok 4.20 |
| Recency | 100 | 100 | Grok 4.20 |
| Output Capacity | 20 | 20 | Grok 4.20 |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 88/100 (rank #17), placing it in the top 94% of all 290 models tracked.
Scores 79/100 (rank #47), placing it in the top 84% of all 290 models tracked.
Grok 4.20 has a 9-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Qwen3.5 397B A17B offers 24% better value per quality point. At 1M tokens/day, you'd spend $42.52/month with Qwen3.5 397B A17B vs $56.25/month with Grok 4.20 - a $13.73 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Qwen3.5 397B A17B also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (2000K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($2.45/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Grok 4.20 has a moderate advantage with a 9.200000000000003-point lead in composite score. It wins on more signal dimensions, but Qwen3.5 397B A17B has specific strengths that could make it the better choice for certain workflows.
Best for Quality
Grok 4.20
Marginally better benchmark scores; both are excellent
Best for Cost
Qwen3.5 397B A17B
24% lower pricing; better value at scale
Best for Reliability
Grok 4.20
Higher uptime and faster response speeds
Best for Prototyping
Grok 4.20
Stronger community support and better developer experience
Best for Production
Grok 4.20
Wider enterprise adoption and proven at scale
by xAI
| Capability | Grok 4.20 | Qwen3.5 397B A17B |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
xAI
Alibaba
Qwen3.5 397B A17B saves you $1.62/month
That's 31% cheaper than Grok 4.20 at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | Grok 4.20 | Qwen3.5 397B A17B |
|---|---|---|
| Context Window | 2M | 256K |
| Max Output Tokens | -- | -- |
| Open Source | No | Yes |
| Created | Mar 31, 2026 | Feb 16, 2026 |